do not expand ctes when the user supplies a cte

[edublancas]

Describe your changes

Issue number

closes #753

Checklist before requesting a review

• Performed a self-review of my code
• Formatted my code with pkgmt format
• Added tests (when necessary).
• Added docstring documentation and update the changelog (when needed)

---

📚 Documentation preview 📚: https://jupysql--795.org.readthedocs.build/en/795/

[neelasha23]

Still getting this error:

[neelasha23]

It looks like, if there's a table some-table and we create a snippet some-table and run the below query:

%%sql
with something as(
select * from some-table
)
select * from something

this query refers to the main table some-table. What if user wants to refer to the saved snippet instead? If I pass --with it throws error (there's a table as well as snippet by name names2):

[edublancas]

@neelasha23 I'm now raising an exception to tell the user they should not use --with if they're running a CTE: 143edc1